.imgs{
    border-radius: 20%;
    height: 230px;
    position: relative;
}
.items{
    margin-top: 20px;
}
.kw{
    position: absolute;
    bottom: 30px;
    right:40px;
    border-radius: 20%;

}
.pre{
    width: 100%;
    height: 100%;
    border-radius: 10px;
}
.imgopacity {

    filter: alpha(opacity=50);
    -moz-opacity: 0.5;
    -khtml-opacity: 0.5;
    opacity: 0.5;
}